| General information |
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Piabina argentea Reinhardt, 1867 |
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| Common name | Piaba |
| Synonyms |
- |
| IUCN Red List status (2014) |
Not Reported |
| Habitat |
Freshwater |
| Systematics |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Characiformes; Characidae. |
| Geographical distribution |
Brazil |
| Occurrence |
native: Brazil |
| Remarks |
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| Karyological information |
| Geographical area of study |
Lake at the margins of the Sao Francisco River (Tres Marias, MG, Brazil) |
| Source of chromosomes |
Kidney |
| Number of specimens with sex |
31(15 males, 16 females) |
| Diploid chromosome number |
52 |
| Karyotype formula |
8m+14sm+16st+14a |
| Fundamental arm number |
90 |
| Chromosome length |
Not reported |
| Sex chromosome |
Not reported |
| Chromosome staining/banding/FISH |
Constitutive heterochromatin was detected in few chromosomes in the pericentromeric region. Ag-NORs were located in a telomeric position on short arm of acrocentric pair no. 20, coinciding with a heterochromatic region. |
| Reference |
Moreira PWA, Bertollo LAC, Moreira-Filho O (2007). Comparative cytogenetics between three Characidae fish species from the Sao Francisco river basin. Caryologia, 60(1-2): 64-68.
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| Cross Link |